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Analytical Chemistry

New antibody standard could aid biopharma development

NIST reference material will help companies design and test analytical technologies for assessing therapeutic proteins

by Celia Henry Arnaud
August 8, 2016 | A version of this story appeared in Volume 94, Issue 32

Credit: Matthew Delorme
NIST’s new monoclonal antibody standard is shipped on dry ice and stored at –80 °C.
Photo of vial containing NIST’s monoclonal antibody reference material.
Credit: Matthew Delorme
NIST’s new monoclonal antibody standard is shipped on dry ice and stored at –80 °C.

The National Institute of Standards & Technology has a repository of approximately 1,200 reference materials that scientists can purchase to calibrate their instruments and establish quality-control protocols. The newest reference material, a monoclonal antibody, may be the agency’s most extensively characterized yet. The Y-shaped protein, which NIST released in late July, has undergone a battery of tests to comprehensively assess its composition, purity, and long-term stability. The reference material—dubbed NIST RM 8671—will give biopharmaceutical companies, technology developers, and regulators a common substance for comparing the performance of existing analytical technologies and for testing new ones. The extensive characterization is the outcome of more than three years of collaboration between NIST and the biopharmaceutical industry, says John Schiel, the NIST chemist who led the effort. The reference material, which costs $858 for 800 μL of a 10 mg/mL solution, is made of an immunoglobulin G antibody donated by MedImmune. Richard Rogers, a scientist at Just Biotherapeutics, is leading a consortium that hopes to replace many of the quality-control assays that biopharma companies usually perform when releasing protein-based products with a so-called multi-attribute method based on mass spectrometry. He plans to use the NIST standard to evaluate the method.


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